20545498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 13461542

約数列:

[1, 2, 19, 31, 38, 62, 107, 163, 214, 326, 589, 1178, 2033, 3097, 3317, 4066, 5053, 6194, 6634, 10106, 17441, 34882, 63023, 96007, 126046, 192014, 331379, 540671, 662758, 1081342, 10272749, 20545498]

約数ペア:

[(1, 20545498), (2, 10272749), (19, 1081342), (31, 662758), (38, 540671), (62, 331379), (107, 192014), (163, 126046), (214, 96007), (326, 63023), (589, 34882), (1178, 17441), (2033, 10106), (3097, 6634), (3317, 6194), (4066, 5053)]